After an upgrade from 6.0 to 7.1pr2 the system is dropping outbound calls only after 2 min and 54 seconds into the call and the display says "Timeout" and you hear reorder tone, This is a clusterd envirement with 3 mxe3 controllers The main controller which houses the pri's is having no issues as well as the second mxe3 contorller. only one site is having this issue. Internal calls are fine. Call duration in the cos of the phones,ip trunking and pri's is not active.